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標題Title: THEORETICAL ANALYSIS OF THREE DIMENSIONAL PIEZOELECTRIC THIN-FILM STRUCTURE WITH A POINT LOADING
作者Authors: 林儒禮
上傳單位Department: 機械工程系
上傳時間Date: 2012-1-2
上傳者Author: 林儒禮
審核單位Department: 機械工程系
審核老師Teacher: 林儒禮
檔案類型Categories: 研討會報告Seminar Report
關鍵詞Keyword: piezoelectric
摘要Abstract: The electro-elastic problem of a three dimensional transversely isotropic piezoelectric thin-film structure subjected to the forces and the electric charge is analyzed. The concentrated loading was considered to be applied in the layer. This paper provides an effective analytical methodology to obtain the explicit full-field solutions for this problem. By using the double Fourier transformation technique in conjunction with series expansion, the explicit closed-from solutions for displacements, stresses, and the electric field in the thin film are obtained. The physical meaning of the method used in the study is in fact the image method or Mindlin’s superposition method. Instead of finding image singularities artificially, the intensity and locations of the image singularities are determined automatically from the mathematical method used in this paper. Taking PZT materials as an example, this paper discussed the numerical computation for the full-field distributions of the displacement and electric field in the thin-film medium subjected to a point force and a point charge.

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2012_1_c3a383a7.doc 500Kb doc 187 20
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